Puncture Vine

tribulus terrestris

Puncture Vine (Tribulus terrestris) is a notoriously resilient, flat-growing annual herb infamous for its woody, spine-covered seed cases. Originating from warm temperate and tropical regions of the Old World, this tough survivor has successfully colonized disturbed soils and arid environments across the globe. It is widely considered a noxious weed due to its aggressive growth and the physical harm its sharp seed pods can cause to livestock, pets, and humans.

Habitat: Thrives in dry, compacted soils, agricultural fields, waste areas, and along sandy roadsides or pathways.

Appearance

This low-growing plant forms dense, prostrate mats with stems radiating outward from a central taproot, often spreading up to one meter in diameter. Its leaves are pinnately compound, consisting of small, opposite leaflets that give it a fern-like appearance. During the warm season, it produces bright yellow, five-petaled flowers that open in the morning, followed by the distinctive, woody bur fruits which split into five sharp-spined caltrops.

KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderZygophyllalesFamilyZygophyllaceaeGenusTribulus

Puncture Vine

Interesting facts

Its seed pods are strong enough to puncture bicycle tires and can cause painful wounds to dogs or livestock walking through infested fields.

The plant contains steroidal saponins, which are sometimes extracted and marketed in dietary supplements aimed at boosting athletic performance and testosterone levels.

The sharp, spiked seed pod resembles a miniature version of a caltrop, a multi-pointed metal weapon used in ancient warfare to disable cavalry.

Special abilities

Produces extremely hard, wood-like seed cases tipped with sharp spines that effortlessly penetrate animal hooves, bicycle tires, and shoes to aid in seed dispersal.

Utilizes a deep, sturdy taproot system and finely divided leaves to efficiently store and retain water in extremely dry, sun-baked environments.

Generates highly resilient seeds that can remain dormant and viable within the soil for up to several years, waiting for optimal moisture to sprout.

Measurements & details

Length: 10-100 cm
Lifespan: 0-1 years

Diet & Feeding

As a photosynthetic plant, Puncture Vine produces its own organic energy using sunlight, carbon dioxide, and water drawn through its extensive root system.

Primary Foods

Sunlight
Water
Carbon dioxide
Soil nutrients

Ecological connections

eaten by

Puncturevine Seed Weevil

Microlarinus lareynii

The larvae of this introduced biological control weevil feed exclusively on the seeds inside the green burs, helping to suppress plant populations.

eaten by

Puncturevine Stem Weevil

Microlarinus lypriformis

This biological control weevil infests the stems and crown of the plant, disrupting water transport and killing the vine.

mutualism

Western Honey Bee

Apis mellifera

Honeybees frequently visit the bright yellow flowers during the day, collecting nectar and facilitating pollination.

Traits

No trait badges are assigned for this object yet.

Also known as

No aliases listed yet.

Collections

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Safety

Danger

1/5 · Very low

No special safety notes yet.

Frequently Asked Questions

How to identify Puncture Vine?

The easiest way to identify Puncture Vine is to use the Snappit nature identifier app.

How long is Puncture Vine?

10-100 cm

How long does Puncture Vine live?

0-1 years

What does Puncture Vine eat?

As a photosynthetic plant, Puncture Vine produces its own organic energy using sunlight, carbon dioxide, and water drawn through its extensive root system.

Where is Puncture Vine usually found?

Thrives in dry, compacted soils, agricultural fields, waste areas, and along sandy roadsides or pathways.